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<div id="overview"><a href="../../../../../apidocs/org/sindice/rdfcommons/model/Triple.html">View Javadoc</a></div><pre>

<a name="1" href="#1">1</a>   <em class="jxr_comment">/*</em>
<a name="2" href="#2">2</a>   <em class="jxr_comment"> * Copyright 2008-2010 Digital Enterprise Research Institute (DERI)</em>
<a name="3" href="#3">3</a>   <em class="jxr_comment"> *</em>
<a name="4" href="#4">4</a>   <em class="jxr_comment"> * Licensed under the Apache License, Version 2.0 (the "License");</em>
<a name="5" href="#5">5</a>   <em class="jxr_comment"> * you may not use this file except in compliance with the License.</em>
<a name="6" href="#6">6</a>   <em class="jxr_comment"> * You may obtain a copy of the License at</em>
<a name="7" href="#7">7</a>   <em class="jxr_comment"> *</em>
<a name="8" href="#8">8</a>   <em class="jxr_comment"> *     <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a name="9" href="#9">9</a>   <em class="jxr_comment"> *</em>
<a name="10" href="#10">10</a>  <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
<a name="11" href="#11">11</a>  <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em>
<a name="12" href="#12">12</a>  <em class="jxr_comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
<a name="13" href="#13">13</a>  <em class="jxr_comment"> * See the License for the specific language governing permissions and</em>
<a name="14" href="#14">14</a>  <em class="jxr_comment"> * limitations under the License.</em>
<a name="15" href="#15">15</a>  <em class="jxr_comment"> */</em>
<a name="16" href="#16">16</a>  
<a name="17" href="#17">17</a>  <strong class="jxr_keyword">package</strong> org.sindice.rdfcommons.model;
<a name="18" href="#18">18</a>  
<a name="19" href="#19">19</a>  <strong class="jxr_keyword">import</strong> org.sindice.rdfcommons.vocabulary.XMLSchemaTypes;
<a name="20" href="#20">20</a>  
<a name="21" href="#21">21</a>  <strong class="jxr_keyword">import</strong> java.util.Date;
<a name="22" href="#22">22</a>  
<a name="23" href="#23">23</a>  <em class="jxr_javadoccomment">/**</em>
<a name="24" href="#24">24</a>  <em class="jxr_javadoccomment"> * Models an &lt;i&gt;RDF&lt;/i&gt; triple.</em>
<a name="25" href="#25">25</a>  <em class="jxr_javadoccomment"> *</em>
<a name="26" href="#26">26</a>  <em class="jxr_javadoccomment"> * @author Michele Mostarda ( mostarda@fbk.eu )</em>
<a name="27" href="#27">27</a>  <em class="jxr_javadoccomment"> * @version $Id: Triple.java 35 2010-12-02 19:04:26Z michele.mostarda $</em>
<a name="28" href="#28">28</a>  <em class="jxr_javadoccomment"> */</em>
<a name="29" href="#29">29</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> Triple&lt;O&gt; {
<a name="30" href="#30">30</a>  
<a name="31" href="#31">31</a>      <strong class="jxr_keyword">public</strong> enum <a href="../../../../org/sindice/rdfcommons/model/Triple.html">SubjectType</a> {
<a name="32" href="#32">32</a>          bnode,
<a name="33" href="#33">33</a>          uri
<a name="34" href="#34">34</a>      }
<a name="35" href="#35">35</a>  
<a name="36" href="#36">36</a>      <strong class="jxr_keyword">public</strong> enum <a href="../../../../org/sindice/rdfcommons/model/Triple.html">ObjectType</a> {
<a name="37" href="#37">37</a>          bnode,
<a name="38" href="#38">38</a>          uri,
<a name="39" href="#39">39</a>          literal
<a name="40" href="#40">40</a>      }
<a name="41" href="#41">41</a>  
<a name="42" href="#42">42</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> BLANK_NODE_BASE = System.currentTimeMillis();
<a name="43" href="#43">43</a>  
<a name="44" href="#44">44</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">long</strong> counter = 0;
<a name="45" href="#45">45</a>  
<a name="46" href="#46">46</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> String subject;
<a name="47" href="#47">47</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> String predicate;
<a name="48" href="#48">48</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> O      object;
<a name="49" href="#49">49</a>  
<a name="50" href="#50">50</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../org/sindice/rdfcommons/model/Triple.html">SubjectType</a> subjectType;
<a name="51" href="#51">51</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../org/sindice/rdfcommons/model/Triple.html">ObjectType</a>  objectType;
<a name="52" href="#52">52</a>  
<a name="53" href="#53">53</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">static</strong> &lt;O&gt; <a href="../../../../org/sindice/rdfcommons/model/Triple.html">Triple</a> createBNodeSubjectTriple(
<a name="54" href="#54">54</a>              String pred, O obj, <a href="../../../../org/sindice/rdfcommons/model/Triple.html">ObjectType</a> objectType
<a name="55" href="#55">55</a>      ) {
<a name="56" href="#56">56</a>          <strong class="jxr_keyword">final</strong> String blank = nextBNodeIdentifier();
<a name="57" href="#57">57</a>          <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> Triple&lt;O&gt;(blank, pred, obj, objectType);
<a name="58" href="#58">58</a>      }
<a name="59" href="#59">59</a>  
<a name="60" href="#60">60</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">static</strong> <a href="../../../../org/sindice/rdfcommons/model/Triple.html">Triple</a> createBNodeObjectTriple(String sub, String pred, <a href="../../../../org/sindice/rdfcommons/model/Triple.html">SubjectType</a> subjectType) {
<a name="61" href="#61">61</a>          <strong class="jxr_keyword">final</strong> String blank = nextBNodeIdentifier();
<a name="62" href="#62">62</a>          <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> Triple&lt;String&gt;(sub, pred, blank, subjectType, ObjectType.bnode);
<a name="63" href="#63">63</a>      }
<a name="64" href="#64">64</a>  
<a name="65" href="#65">65</a>      <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">static</strong> String nextBNodeIdentifier() {
<a name="66" href="#66">66</a>          <strong class="jxr_keyword">return</strong> String.format(<span class="jxr_string">"%s_%s"</span>, BLANK_NODE_BASE, counter++);
<a name="67" href="#67">67</a>      }
<a name="68" href="#68">68</a>  
<a name="69" href="#69">69</a>      <strong class="jxr_keyword">public</strong> <a href="../../../../org/sindice/rdfcommons/model/Triple.html">Triple</a>(String sub, String pred, O obj, <a href="../../../../org/sindice/rdfcommons/model/Triple.html">SubjectType</a> subjectType, <a href="../../../../org/sindice/rdfcommons/model/Triple.html">ObjectType</a> objectType) {
<a name="70" href="#70">70</a>          <strong class="jxr_keyword">if</strong>(sub == <strong class="jxr_keyword">null</strong> || pred == <strong class="jxr_keyword">null</strong> || obj == <strong class="jxr_keyword">null</strong>) {
<a name="71" href="#71">71</a>              <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(<span class="jxr_string">"The terms of a triple cannot be null."</span>);
<a name="72" href="#72">72</a>          }
<a name="73" href="#73">73</a>          <strong class="jxr_keyword">if</strong>(subjectType == <strong class="jxr_keyword">null</strong> || objectType == <strong class="jxr_keyword">null</strong>) {
<a name="74" href="#74">74</a>              <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(<span class="jxr_string">"The types of a triple cannot be null."</span>);
<a name="75" href="#75">75</a>          }
<a name="76" href="#76">76</a>          <strong class="jxr_keyword">if</strong>( !(objectType == ObjectType.literal) &amp;&amp; !(obj instanceof String) ) {
<a name="77" href="#77">77</a>              <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(
<a name="78" href="#78">78</a>                      <span class="jxr_string">"If the object is a URI or a blank node then the object must be a string."</span>
<a name="79" href="#79">79</a>              );
<a name="80" href="#80">80</a>          }
<a name="81" href="#81">81</a>  
<a name="82" href="#82">82</a>          subject    = sub;
<a name="83" href="#83">83</a>          predicate  = pred;
<a name="84" href="#84">84</a>          object     = obj;
<a name="85" href="#85">85</a>          <strong class="jxr_keyword">this</strong>.subjectType = subjectType;
<a name="86" href="#86">86</a>          <strong class="jxr_keyword">this</strong>.objectType  = objectType;
<a name="87" href="#87">87</a>      }
<a name="88" href="#88">88</a>  
<a name="89" href="#89">89</a>      <strong class="jxr_keyword">public</strong> <a href="../../../../org/sindice/rdfcommons/model/Triple.html">Triple</a>(String sub, String pred, O obj, <a href="../../../../org/sindice/rdfcommons/model/Triple.html">ObjectType</a> objectType) {
<a name="90" href="#90">90</a>          <strong class="jxr_keyword">this</strong>(sub, pred, obj, SubjectType.uri, objectType);
<a name="91" href="#91">91</a>      }
<a name="92" href="#92">92</a>  
<a name="93" href="#93">93</a>      <strong class="jxr_keyword">public</strong> <a href="../../../../org/sindice/rdfcommons/model/Triple.html">Triple</a>(String sub, String pred, O obj) {
<a name="94" href="#94">94</a>          <strong class="jxr_keyword">this</strong>(sub, pred, obj, ObjectType.uri);
<a name="95" href="#95">95</a>      }
<a name="96" href="#96">96</a>  
<a name="97" href="#97">97</a>      <strong class="jxr_keyword">public</strong> String getSubject() {
<a name="98" href="#98">98</a>          <strong class="jxr_keyword">return</strong> subject;
<a name="99" href="#99">99</a>      }
<a name="100" href="#100">100</a> 
<a name="101" href="#101">101</a>     <strong class="jxr_keyword">public</strong> String getPredicate() {
<a name="102" href="#102">102</a>         <strong class="jxr_keyword">return</strong> predicate;
<a name="103" href="#103">103</a>     }
<a name="104" href="#104">104</a> 
<a name="105" href="#105">105</a>     <strong class="jxr_keyword">public</strong> O getObject() {
<a name="106" href="#106">106</a>         <strong class="jxr_keyword">return</strong> object;
<a name="107" href="#107">107</a>     }
<a name="108" href="#108">108</a> 
<a name="109" href="#109">109</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../org/sindice/rdfcommons/model/Triple.html">SubjectType</a> getSubjectType() {
<a name="110" href="#110">110</a>         <strong class="jxr_keyword">return</strong> subjectType;
<a name="111" href="#111">111</a>     }
<a name="112" href="#112">112</a> 
<a name="113" href="#113">113</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../org/sindice/rdfcommons/model/Triple.html">ObjectType</a> getObjectType() {
<a name="114" href="#114">114</a>         <strong class="jxr_keyword">return</strong> objectType;
<a name="115" href="#115">115</a>     }
<a name="116" href="#116">116</a> 
<a name="117" href="#117">117</a>     <strong class="jxr_keyword">public</strong> String getObjectImplicitType() {
<a name="118" href="#118">118</a>         <strong class="jxr_keyword">if</strong>(object.getClass().equals(<strong class="jxr_keyword">boolean</strong>.<strong class="jxr_keyword">class</strong>) || object.getClass().equals(Boolean.<strong class="jxr_keyword">class</strong>)) {
<a name="119" href="#119">119</a>             <strong class="jxr_keyword">return</strong> XMLSchemaTypes.BOOLEAN;
<a name="120" href="#120">120</a>         }
<a name="121" href="#121">121</a>         <strong class="jxr_keyword">if</strong>(object.getClass().equals(byte.<strong class="jxr_keyword">class</strong>) || object.getClass().equals(Byte.<strong class="jxr_keyword">class</strong>)) {
<a name="122" href="#122">122</a>             <strong class="jxr_keyword">return</strong> XMLSchemaTypes.BYTE;
<a name="123" href="#123">123</a>         }
<a name="124" href="#124">124</a>         <strong class="jxr_keyword">if</strong>(object.getClass().equals(<strong class="jxr_keyword">short</strong>.<strong class="jxr_keyword">class</strong>) || object.getClass().equals(Short.<strong class="jxr_keyword">class</strong>)) {
<a name="125" href="#125">125</a>             <strong class="jxr_keyword">return</strong> XMLSchemaTypes.SHORT;
<a name="126" href="#126">126</a>         }
<a name="127" href="#127">127</a>         <strong class="jxr_keyword">if</strong>(object.getClass().equals(<strong class="jxr_keyword">int</strong>.<strong class="jxr_keyword">class</strong>) || object.getClass().equals(Integer.<strong class="jxr_keyword">class</strong>)) {
<a name="128" href="#128">128</a>             <strong class="jxr_keyword">return</strong> XMLSchemaTypes.INT;
<a name="129" href="#129">129</a>         }
<a name="130" href="#130">130</a>         <strong class="jxr_keyword">if</strong>(object.getClass().equals(<strong class="jxr_keyword">long</strong>.<strong class="jxr_keyword">class</strong>) || object.getClass().equals(Long.<strong class="jxr_keyword">class</strong>)) {
<a name="131" href="#131">131</a>             <strong class="jxr_keyword">return</strong> XMLSchemaTypes.LONG;
<a name="132" href="#132">132</a>         }
<a name="133" href="#133">133</a>         <strong class="jxr_keyword">if</strong>(object.getClass().equals(<strong class="jxr_keyword">float</strong>.<strong class="jxr_keyword">class</strong>) || object.getClass().equals(Float.<strong class="jxr_keyword">class</strong>)) {
<a name="134" href="#134">134</a>             <strong class="jxr_keyword">return</strong> XMLSchemaTypes.FLOAT;
<a name="135" href="#135">135</a>         }
<a name="136" href="#136">136</a>         <strong class="jxr_keyword">if</strong>(object.getClass().equals(<strong class="jxr_keyword">double</strong>.<strong class="jxr_keyword">class</strong>) || object.getClass().equals(Double.<strong class="jxr_keyword">class</strong>)) {
<a name="137" href="#137">137</a>             <strong class="jxr_keyword">return</strong> XMLSchemaTypes.DOUBLE;
<a name="138" href="#138">138</a>         }
<a name="139" href="#139">139</a>         <strong class="jxr_keyword">if</strong>(object instanceof Date) {
<a name="140" href="#140">140</a>             <strong class="jxr_keyword">return</strong> XMLSchemaTypes.DATE;
<a name="141" href="#141">141</a>         }
<a name="142" href="#142">142</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a name="143" href="#143">143</a>     }
<a name="144" href="#144">144</a> 
<a name="145" href="#145">145</a>     <strong class="jxr_keyword">public</strong> String getLiteralType() {
<a name="146" href="#146">146</a>         <strong class="jxr_keyword">if</strong>(object instanceof <a href="../../../../org/sindice/rdfcommons/model/TypedLiteral.html">TypedLiteral</a>) {
<a name="147" href="#147">147</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../org/sindice/rdfcommons/model/TypedLiteral.html">TypedLiteral</a> typedLiteral = (TypedLiteral) object;
<a name="148" href="#148">148</a>             <strong class="jxr_keyword">return</strong> typedLiteral.getType();
<a name="149" href="#149">149</a>         }
<a name="150" href="#150">150</a>         <strong class="jxr_keyword">return</strong> getObjectImplicitType();
<a name="151" href="#151">151</a>     }
<a name="152" href="#152">152</a> 
<a name="153" href="#153">153</a>     <strong class="jxr_keyword">public</strong> String getObjectLanguage() {
<a name="154" href="#154">154</a>         <strong class="jxr_keyword">if</strong>(object instanceof <a href="../../../../org/sindice/rdfcommons/model/LanguageLiteral.html">LanguageLiteral</a>) {
<a name="155" href="#155">155</a>             <strong class="jxr_keyword">final</strong> <a href="../../../../org/sindice/rdfcommons/model/LanguageLiteral.html">LanguageLiteral</a> languageLiteral = (LanguageLiteral) object;
<a name="156" href="#156">156</a>             <strong class="jxr_keyword">return</strong> languageLiteral.getLanguage();
<a name="157" href="#157">157</a>         }
<a name="158" href="#158">158</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a name="159" href="#159">159</a>     }
<a name="160" href="#160">160</a> 
<a name="161" href="#161">161</a>     <strong class="jxr_keyword">public</strong> String getObjectAsString() {
<a name="162" href="#162">162</a>         <strong class="jxr_keyword">if</strong>( object instanceof Date) {
<a name="163" href="#163">163</a>             <strong class="jxr_keyword">return</strong> XMLSchemaTypes.dateFormatter.format((Date) object);
<a name="164" href="#164">164</a>         }
<a name="165" href="#165">165</a>         <strong class="jxr_keyword">if</strong>(object instanceof <a href="../../../../org/sindice/rdfcommons/model/Literal.html">Literal</a>) {
<a name="166" href="#166">166</a>             <strong class="jxr_keyword">return</strong> ((Literal) object).getValue();
<a name="167" href="#167">167</a>         }
<a name="168" href="#168">168</a>         <strong class="jxr_keyword">return</strong> object.toString();
<a name="169" href="#169">169</a>     }
<a name="170" href="#170">170</a> 
<a name="171" href="#171">171</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isSubjectBNode() {
<a name="172" href="#172">172</a>         <strong class="jxr_keyword">return</strong> subjectType == SubjectType.bnode;
<a name="173" href="#173">173</a>     }
<a name="174" href="#174">174</a> 
<a name="175" href="#175">175</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isObjLiteral() {
<a name="176" href="#176">176</a>         <strong class="jxr_keyword">return</strong> objectType == ObjectType.literal;
<a name="177" href="#177">177</a>     }
<a name="178" href="#178">178</a> 
<a name="179" href="#179">179</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isObjectBNode() {
<a name="180" href="#180">180</a>         <strong class="jxr_keyword">return</strong> objectType == ObjectType.bnode;
<a name="181" href="#181">181</a>     }
<a name="182" href="#182">182</a> 
<a name="183" href="#183">183</a>     <strong class="jxr_keyword">public</strong> String toTripleString() {
<a name="184" href="#184">184</a>         <strong class="jxr_keyword">final</strong> StringBuilder sb = <strong class="jxr_keyword">new</strong> StringBuilder();
<a name="185" href="#185">185</a>         toTripleString(sb);
<a name="186" href="#186">186</a>         <strong class="jxr_keyword">return</strong> sb.toString();
<a name="187" href="#187">187</a>     }
<a name="188" href="#188">188</a> 
<a name="189" href="#189">189</a>     @Override
<a name="190" href="#190">190</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> equals(Object o) {
<a name="191" href="#191">191</a>         <strong class="jxr_keyword">if</strong>(o == <strong class="jxr_keyword">null</strong>) {
<a name="192" href="#192">192</a>             <strong class="jxr_keyword">return</strong> false;
<a name="193" href="#193">193</a>         }
<a name="194" href="#194">194</a>         <strong class="jxr_keyword">if</strong>(o == <strong class="jxr_keyword">this</strong>) {
<a name="195" href="#195">195</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
<a name="196" href="#196">196</a>         }
<a name="197" href="#197">197</a>         <strong class="jxr_keyword">if</strong>(! (o instanceof Triple)) {
<a name="198" href="#198">198</a>             <strong class="jxr_keyword">return</strong> false;
<a name="199" href="#199">199</a>         }
<a name="200" href="#200">200</a>         <a href="../../../../org/sindice/rdfcommons/model/Triple.html">Triple</a> other = (Triple) o;
<a name="201" href="#201">201</a>         <strong class="jxr_keyword">return</strong>
<a name="202" href="#202">202</a>             subject.equals( other.subject )
<a name="203" href="#203">203</a>                 &amp;&amp;
<a name="204" href="#204">204</a>             predicate.equals( other.predicate )
<a name="205" href="#205">205</a>                 &amp;&amp;
<a name="206" href="#206">206</a>             object.equals( other.object )
<a name="207" href="#207">207</a>                 &amp;&amp;
<a name="208" href="#208">208</a>             subjectType == other.subjectType
<a name="209" href="#209">209</a>                 &amp;&amp;
<a name="210" href="#210">210</a>             objectType  == other.objectType;
<a name="211" href="#211">211</a>     }
<a name="212" href="#212">212</a> 
<a name="213" href="#213">213</a>     @Override
<a name="214" href="#214">214</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> hashCode() {
<a name="215" href="#215">215</a>         <strong class="jxr_keyword">return</strong>
<a name="216" href="#216">216</a>                 subject.hashCode() *
<a name="217" href="#217">217</a>                 predicate.hashCode() * 2 *
<a name="218" href="#218">218</a>                 object.hashCode() * 3 *
<a name="219" href="#219">219</a>                 subjectType.hashCode() * 5 *
<a name="220" href="#220">220</a>                 objectType.hashCode() * 7;
<a name="221" href="#221">221</a>     }
<a name="222" href="#222">222</a> 
<a name="223" href="#223">223</a>     @Override
<a name="224" href="#224">224</a>     <strong class="jxr_keyword">public</strong> String toString() {
<a name="225" href="#225">225</a>         <strong class="jxr_keyword">return</strong> <span class="jxr_string">"{"</span> + toTripleString() + <span class="jxr_string">"}"</span>;
<a name="226" href="#226">226</a>     }
<a name="227" href="#227">227</a> 
<a name="228" href="#228">228</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> toTripleString(StringBuilder sb) {
<a name="229" href="#229">229</a>         toSubjectString(sb);
<a name="230" href="#230">230</a>         sb.append(' ');
<a name="231" href="#231">231</a>         toPredicateString(sb);
<a name="232" href="#232">232</a>         sb.append(' ');
<a name="233" href="#233">233</a>         toObjectString(sb);
<a name="234" href="#234">234</a>     }
<a name="235" href="#235">235</a> 
<a name="236" href="#236">236</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> toSubjectString(StringBuilder sb) {
<a name="237" href="#237">237</a>         <strong class="jxr_keyword">if</strong>(subjectType == SubjectType.bnode) {
<a name="238" href="#238">238</a>             sb.append(<span class="jxr_string">"_:"</span>).append(subject);
<a name="239" href="#239">239</a>         } <strong class="jxr_keyword">else</strong> {
<a name="240" href="#240">240</a>             sb.append('&lt;').append(subject).append('&gt;');
<a name="241" href="#241">241</a>         }
<a name="242" href="#242">242</a>     }
<a name="243" href="#243">243</a> 
<a name="244" href="#244">244</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> toPredicateString(StringBuilder sb) {
<a name="245" href="#245">245</a>         sb.append('&lt;');
<a name="246" href="#246">246</a>         sb.append(predicate);
<a name="247" href="#247">247</a>         sb.append('&gt;');
<a name="248" href="#248">248</a>     }
<a name="249" href="#249">249</a> 
<a name="250" href="#250">250</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> toObjectString(StringBuilder sb) {
<a name="251" href="#251">251</a>         <strong class="jxr_keyword">if</strong>(objectType == ObjectType.bnode) {
<a name="252" href="#252">252</a>             sb.append(<span class="jxr_string">"_:"</span>).append(object);
<a name="253" href="#253">253</a>             <strong class="jxr_keyword">return</strong>;
<a name="254" href="#254">254</a>         }
<a name="255" href="#255">255</a>         <strong class="jxr_keyword">if</strong>(!(objectType == ObjectType.literal) ) {
<a name="256" href="#256">256</a>             sb.append('&lt;').append(object).append('&gt;');
<a name="257" href="#257">257</a>             <strong class="jxr_keyword">return</strong>;
<a name="258" href="#258">258</a>         }
<a name="259" href="#259">259</a>         sb.append('&quot;').append( getObjectAsString() ).append('&quot;');
<a name="260" href="#260">260</a>         <strong class="jxr_keyword">final</strong> String literalType = getLiteralType();
<a name="261" href="#261">261</a>         <strong class="jxr_keyword">if</strong>(literalType != <strong class="jxr_keyword">null</strong>) {
<a name="262" href="#262">262</a>             sb.append(<span class="jxr_string">"^^"</span>).append('&lt;').append(literalType).append('&gt;');
<a name="263" href="#263">263</a>             <strong class="jxr_keyword">return</strong>;
<a name="264" href="#264">264</a>         }
<a name="265" href="#265">265</a>         <strong class="jxr_keyword">final</strong> String objectLang = getObjectLanguage();
<a name="266" href="#266">266</a>         <strong class="jxr_keyword">if</strong>(objectLang != <strong class="jxr_keyword">null</strong>) {
<a name="267" href="#267">267</a>             sb.append('@').append(objectLang);
<a name="268" href="#268">268</a>         }
<a name="269" href="#269">269</a>     }
<a name="270" href="#270">270</a> }
</pre>
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